CN211166624U - Loading and unloading device and carrying equipment based on same - Google Patents

Abstract

The scheme discloses a loading and unloading device and a carrying device based on the loading and unloading device in the technical field of object carrying, and the loading and unloading device comprises a transmission part, a lifting part and a supporting rod; the transmission part comprises a mounting seat and a pushing rack, a driving motor is fixedly connected to the mounting seat, a pushing gear and a rope disc are fixedly connected to an output shaft of the driving motor, a rope is connected to the rope disc, a meshed tooth is arranged in the middle of the pushing rack, and the pushing rack is meshed with the pushing gear through the meshed tooth; the two support rods are respectively and fixedly connected to the mounting seat and the pushing rack, and fixed pulleys are fixedly connected to the two support rods; the lifting part comprises a limiting column and a lifting plate which is rotatably connected to the bottom of the limiting column, a groove is formed in the limiting column, a cylinder is rotatably connected in the groove, and a telescopic rod of the cylinder is rotatably connected to the lifting plate; the rope is lapped on the two fixed pulleys and one end of the rope disc far away is fixedly connected with a limiting column, and the limiting column is vertically connected to one end of the pushing rack far away from the pushing gear in a sliding mode. The loading and unloading device in the scheme can be widely applied to carrying equipment.

Description

Loading and unloading device and carrying equipment based on same

Technical Field

The utility model belongs to the technical field of the object delivery, in particular to handling device reaches delivery equipment based on it.

Background

Rescue refers to the whole process of implementing rescue actions when an individual or a group encounters a disaster or other abnormal conditions (including natural disasters, accidents, sudden dangerous events and the like). In the rescue process, the rescue efficiency can be greatly improved by timely putting the rescue equipment, so that the rescue equipment is one of the most main factors influencing the rescue quality.

In the transportation process of the rescue equipment, the destinations needing rescue are generally places where fire, earthquake, debris flow and the like occur, so the transportation environment is also severe. Taking fire control as an example, because fire engine self is bulky, but the region of many fire incidents probably is comparatively far away, and the road surface is comparatively narrow, and the fire engine is difficult to pass through narrow road surface smoothly. For this kind of situation, there are generally two kinds of modes that can take, firstly load the miniature rescue vehicle into the fire engine through other outside machinery or manual work, and then in the narrow section that the fire engine is difficult to pass through, usable rescue car realizes quick rescue. Although the rescue efficiency can be greatly improved, the external machine is difficult to transport along with the fire truck, and the manual work is extremely low, so that the application range of the rescue method is extremely low. The other is to miniaturize the fire fighting truck, so that the fire fighting truck can run in a more severe rescue environment. However, after the fire truck is miniaturized, rescue equipment carried by a single fire truck is extremely limited, and a large number of fire trucks often need to be moved when disasters such as fire disasters and the like are encountered; the rescue cost is seriously increased.

In addition, the similar situation is faced, not only in fire prevention, but also in carrying equipment such as carrying vehicles, trains and the like; therefore, the method has positive practical significance on how to realize the rapid loading and unloading of the object on the carrying equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a handling device and based on its delivery equipment to it is difficult to the problem of fast loading and unloading on delivery equipment to solve the object among the prior art.

The loading and unloading device comprises a transmission part, a lifting part and two support rods; the transmission part comprises a mounting seat and a pushing rack which is connected to the mounting seat in a sliding manner, a driving motor is fixedly connected to the mounting seat, a pushing gear and a rope disc are fixedly connected to an output shaft of the driving motor, a rope is connected to the rope disc, a meshed tooth is arranged in the middle of the pushing rack, and the pushing rack is meshed with the pushing gear through the meshed tooth; the two support rods are respectively and fixedly connected to the mounting seat and the pushing rack, and fixed pulleys are fixedly connected to the two support rods; the lifting part comprises a limiting column and a lifting plate which is rotatably connected to the bottom of the limiting column, a groove is formed in the limiting column, an air cylinder is rotatably connected in the groove, and a telescopic rod of the air cylinder is rotatably connected to the lifting plate; the rope is lapped on the two fixed pulleys and one end of the rope disc far away is fixedly connected with a limiting column, and the limiting column is vertically connected to one end of the pushing rack far away from the pushing gear in a sliding mode.

The working principle and the beneficial effects of the scheme are as follows: the loading and unloading device in the scheme can be applied to various carrying devices, and a gap for rotating the lifting plate is formed at the tail part or the side edge of a carriage of a fire truck, taking the fire truck as an example; the loading and unloading device is fixed in the carriage of the carrying equipment and close to the position of the gap through the mounting seat. For example, when a motorcycle in a fire fighting truck is moved out of a carriage of the fire fighting truck, the cylinder is rotated and started, the cylinder deflects and pushes the lifting plate to deflect downwards through the telescopic rod of the cylinder, and the lifting plate is positioned at a horizontal position and horizontal plane. Starting a driving motor, driving an output shaft of the driving motor to rotate clockwise to drive a rope disc to rotate and drive a pushing rack to move outwards of a carriage, and when the pushing rack moves to a smooth position, the pushing rack does not move continuously; in the process, when the rope disc rotates clockwise, the rope is gradually released on the rope disc and keeps synchronous with the moving distance of the pushing rack. When the lifting plate and the bottom of the carriage are positioned on the same horizontal plane, the driving motor is stopped to rotate, the motorcycle is pushed onto the lifting plate, then the driving motor is started again, the driving motor rotates clockwise to continuously release the rope, the limiting column, the lifting plate and the motorcycle descend under the action of gravity until the lifting plate is in contact with the ground, and then the motorcycle is moved out or driven away from the lifting plate.

Similarly, when the motorcycle needs to be loaded into the carriage of the fire truck, the motorcycle is moved to the lifting plate, the driving motor is started and rotates anticlockwise, the rope disc stores the extension and retraction, and therefore the lifting plate is pulled to ascend; when the lifting plate and the carriage are positioned at the same horizontal plane, stopping driving the motor to rotate; moving the motorcycle into the compartment; then the cylinder is rotated and started, and the cylinder drives the lifting plate to rotate towards one side in the carriage until the lifting plate closes the gap of the carriage.

Furthermore, one end of the pushing rack, which is far away from the pushing gear, is fixedly connected with a limiting block, one end of the limiting block, which is far away from the pushing rack, is provided with a vertical through groove, and the limiting column is vertically and slidably connected in the through groove; limiting strips are arranged on the limiting blocks and the pushing rack, limiting grooves are formed in the mounting seat, and the pushing rack and the limiting blocks are connected in the limiting grooves in a sliding mode through the limiting strips. Through setting up the stopper, be connected spacing post and stopper, more be favorable to maintaining the stability of advancing rack and spacing post.

Further, the diameter of the rope disc is larger than that of the pushing gear. Because the rotating speed of the pushing gear is consistent with that of the pushing rack, the diameter of the rope disc is larger than that of the pushing gear, so that the lifting plate can move in a larger range when the pushing rack moves in a short distance, and the inner space of the carriage can be saved.

Further, both sides of the lifting plate are provided with fixing parts. The fixing piece can be selected from a hook, a rope, a buckle and other members used for connecting and fixing external equipment, and the number of the objects carried by the carrying equipment can be increased after the handling device is connected with the carrying equipment through the arrangement of the fixing piece.

Furthermore, a rotating shaft is arranged on the lifting plate, and wheels are fixedly connected to two ends of the rotating shaft. Through the setting of axis of rotation and wheel, when the delivery equipment who is equipped with handling device used as tractor or trailer, be connected the lifter plate with the trailer that needs the pulling, realized the relation of connection of line between delivery equipment and trailer, avoided the trailer swing that current trailer pulling trailer time point contact leads to. Simultaneously, because trailer or tractor when pulling the trailer, the afterbody atress is great, leads to the rear wheel to appear unusually easily, is unfavorable for the stability of delivery process, through set up the wheel on the lifter plate, acts as the in-process of pulling trailers such as trailer at the delivery equipment, can effectively balance the stationarity around the delivery equipment. When the wheel is not needed to be used, the wheel is fixed on the lifting plate through the fixing piece.

Furthermore, a traction gear is fixedly connected to an output shaft of the driving motor, the radius of the traction gear is larger than that of the pushing gear, a traction rack is meshed with the traction gear, and the traction rack is connected to the mounting seat in a sliding mode. Through the setting of traction gear and traction rack, when the object in the carriage needs to be moved out, the object is connected on the traction rack, the driving motor rotates to drive the in-process that the pushing rack moves outwards, the traction gear pulls the object to move towards the lifting plate, and then the situation that the object needs to be manually pulled when moving to the lifting plate is avoided.

Furthermore, the handling device still includes plc controller and is used for controlling cylinder pivoted regulation and control motor, and the plc controller is through signal of telecommunication one-way transmission data for driving motor, regulation and control motor and cylinder, and the plc controller is used for controlling the rotation of driving motor and regulation and control motor, rotational speed and break-make, and the plc controller still is used for controlling the flexible and break-make of the telescopic link of cylinder. Through the setting of plc controller and regulation and control motor, accessible current programming technique realizes the plc controller to the control of driving motor, regulation and control motor and cylinder to realize handling device's full automated control, it is more convenient to operate.

This scheme still provides a delivery equipment based on handling device, including the delivery equipment body, can dismantle on the delivery equipment body and be connected with handling device. The carrying equipment in this scheme can realize the quick loading and unloading to other objects through increase handling device on the carrying equipment body, and then raises the efficiency.

Furthermore, the carrying equipment is a passenger vehicle, a commercial vehicle, a special vehicle or a train with a carriage, the loading and unloading device is detachably connected to the side face or the back face of the carriage, and a notch used for enabling the lifting plate to turn outwards from the carriage is formed in the carriage.

Further, the carrying equipment is a fire truck, an engineering emergency vehicle, a pickup truck, a mini truck, a light truck, an auto-unloading vehicle, a truck, a tractor or a special vehicle. Special vehicles such as fire trucks or engineering emergency vehicles generally need to carry a large amount of professional equipment, and meanwhile, the situation is more urgent, and the rescue efficiency can be effectively improved through the addition of the loading and unloading device. Pick-up, little card, light truck, self-unloading car, van, tractor and special-purpose vehicle belong to commercial car, and the general volume of commercial car is great, can place more objects in its carriage, through increasing loading and unloading device, is favorable to improving the general performance and the delivery efficiency of commercial car.

In addition, the loading and unloading device in the scheme can also be used in carrying equipment such as ships.

Drawings

Fig. 1 is a schematic structural diagram of a handling device (a1) according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a handling device (a2) according to embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of a handling device (a3) according to embodiment 3 of the present invention;

fig. 4 is a schematic structural diagram of a handling device (a4) according to embodiment 4 of the present invention;

FIG. 5 is a schematic structural view of the fire truck with the loading and unloading device of FIG. 2 installed;

FIG. 6 is a left side cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of the FIG. 6 construction after the lifter plate is deployed;

FIG. 8 is a schematic view of the structure of FIG. 7 after the lifting plate is moved downward;

fig. 9 is a diagram showing a state in which a trailer is connected to the fire fighting vehicle after the loading/unloading device of fig. 8 is installed.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the fire fighting truck comprises a support rod 1, a rope 2, a fixed pulley 3, a limiting column 4, a limiting block 5, a groove 6, a cylinder 7, a lifting plate 8, a mounting seat 9, a limiting groove 10, a pushing rack 11, a limiting strip 12, a rope disc 13, a pushing gear 14, a driving motor 15, a fixing piece 16, a fire fighting truck body 17, a rotating shaft 18, wheels 19, a traction gear 20, a traction rack 21 and a trailer 22.

Example 1: as shown in fig. 1, the loading and unloading device comprises an loading and unloading mechanism and a lifting plate 8, wherein the loading and unloading mechanism comprises a transmission part, a lifting part and two support rods 1; the transmission part comprises an installation seat 9 and a pushing rack 11, a driving motor 15 is fixedly connected to the installation seat 9, a pushing gear 14 and a rope disc 13 are fixedly connected to an output shaft of the driving motor 15, the diameter of the rope disc 13 is larger than that of the pushing gear 14, a rope 2 is connected to the rope disc 13, a meshed tooth is arranged in the middle of the pushing rack 11, the pushing rack 11 is meshed with the pushing gear 14 through the meshed tooth to enable one end, far away from the pushing gear 14, of the pushing rack 11 to be fixedly connected with a limiting block 5, one end, far away from the pushing rack 11, of the limiting block 5 is provided with a vertical through groove, limiting strips 12 are horizontally arranged on the limiting block 5 and the pushing rack 11, a limiting groove 10 is formed in the installation seat 9, and the pushing rack 11 and the limiting block 5 are; the two support rods 1 are respectively and fixedly connected to the mounting seat 9 and the pushing rack 11, and the two support rods 1 are both fixedly connected with the fixed pulley 3; the lifting part comprises a limiting column 4 and a cylinder 7, a groove 6 is formed in the limiting column 4, the cylinder 7 is rotatably connected in the groove 6, a telescopic rod of the cylinder 7 is rotatably connected to the lifting plate 8, and the lifting plate 8 is rotatably connected to the limiting column 4; rope 2 overlap joint is on two fixed pulleys 3 and is kept away from the spacing post 4 of one end fixed connection of rope dish 13, the vertical sliding connection of spacing post 4 is at stopper 5's logical inslot.

Example 2: as shown in fig. 2, a loading and unloading device is different from embodiment 1 only in that fixing members 16 are provided on both sides of a lifting plate 8, and the fixing members 16 may be hooks, fixing rings, ropes 2, and the like for mounting and fixing an external device.

Example 3: as shown in fig. 3, the difference between the loading and unloading device and embodiment 2 is that a rotating shaft 18 is provided on the lifting plate 8, the rotating shaft 18 extends out of the lifting plate 8, and wheels 19 are fixedly connected to both ends of the rotating shaft 18.

Example 4: as shown in fig. 4, the difference between the handling device and the embodiment 2 is that a traction gear 20 is further fixedly connected to an output shaft of a driving motor 15, the radius of the traction gear 20 is larger than that of the pushing gear 14, a traction rack 21 is engaged with the traction gear 20, and the traction rack 21 is slidably connected to the mounting base 9.

In the unloading device in the embodiments 1 to 4, the lifting plate 8 can be made into a hollow shape, which is convenient for air circulation.

In order to improve the automation degree of the handling device, the handling device of embodiments 1 to 4 further includes a plc controller and a regulation and control motor for controlling the rotation of the cylinder 7, the regulation and control motor is fixedly connected to the limit column 4, the plc controller is connected to the driving motor 15, the regulation and control motor and the cylinder 7 through a signal line, the plc controller unidirectionally sends data to the driving motor 15, the regulation and control motor and the cylinder 7 through an electric signal, the plc controller is used for controlling the rotation direction, the rotation speed and the on-off of the driving motor 15 and the regulation and control motor, and the plc controller is further used for controlling the expansion and the on-off of a telescopic rod of the cylinder 7.

The driving motor 15 is a D180M-O250030C-E servo motor produced by Demark Motor company Limited of Guangzhou city; the control motor is a 57 series 100W brushless DC speed reducing motor produced by Demark motor company Limited in Guangzhou city; the cylinder 7 is made of QGB 100X 250 cast iron cylinder 7 produced by Fenghun pneumatic company Limited in Ningbo city; the plc controller is Siemens S7-400; the full-automatic control of the loading and unloading device is realized by setting parameters such as the on-off, steering and rotating speed of the driving motor 15 and the regulating motor, the on-off and stretching of the air cylinder 7 and the like through the existing programming technology.

In order to improve the overall stability of the handling device, other parts of the handling device except the lifting plate 8 belong to a handling mechanism; two loading and unloading mechanisms are provided, two sides of the lifting plate 8 are respectively and rotatably connected to the two limiting columns 4, only one driving motor 15 can be arranged, and the two rope discs 13 and the pushing gear 14 are driven by the same driving motor 15; through such setting, can make the working process of lifter plate 8 more steady.

The loading and unloading device of embodiments 1 to 4 can be widely applied to a carrying device, and for the sake of more clearly explaining the use of the loading and unloading device in the present application, the carrying device is exemplified by a fire engine.

Example 5: install the fire engine (as shown in fig. 5-8) of the handling device in embodiment 2, including fire engine body 17, the breach that is used for lifter plate 8 to outwards overturn is offered to the carriage side of fire engine body 17, and handling device passes through mount pad 9 fixed connection in fire engine body 17's carriage, and lifter plate 8 is close to the breach in carriage.

When the device is used, the plc controller controls the regulation and control motor to rotate according to preset parameters, meanwhile, the air cylinder 7 is controlled to work, and the telescopic rod of the air cylinder 7 extends out; until they cooperate to bring the lifter plate 8 into a horizontal position. At the moment, the control motor and the air cylinder 7 stop; the plc controller controls the driving motor 15 to work, and the driving motor 15 drives the rope reel 13 and the pushing gear 14 to rotate, so as to release the rope 2 and drive the pushing rack 11 to move outwards, so that the lifting plate 8 and the bottom of the carriage are at the same horizontal plane (as shown in fig. 7). After the object in the car is transferred to the lifting plate 8, the plc controller controls the driving motor 15 to work, and the rope 2 on the rope reel 13 is continuously released, so that the lifting plate 8 is lowered to the ground (as shown in fig. 8), and the object on the lifting plate 8 is moved out.

In addition, the handling device of embodiments 1 to 4 can be used as a tractor or a trailer after being applied to a carrier.

Example 6: in the fire fighting vehicle equipped with the cargo handling apparatus according to embodiment 4, the cargo handling apparatus is mounted on the rear part of the cabin of the fire fighting vehicle body 17, and when the cargo handling apparatus is used as a tractor or a trailer, the elevating plate 8 is connected to the trailer 22 (as shown in fig. 9). Because the fire engine accessible lifter plate 8 is connected with trailer 22, the junction presents the line connection, has avoided tractor or trailer among the prior art to be connected with trailer 22 some, leads to the unstable condition of trailer 22 in the driving process to take place. In addition, because the wheels 19 are arranged on the lifting plate 8, part of the weight of the trailer 22 can be borne, and the overall stress of the wheels 19 of the fire fighting truck is more balanced. When the wheel 19 is not needed, the wheel 19 can be fixed through the fixing piece 16 on the lifting plate 8.

Claims (10)

1. A handling device characterized in that: comprises a transmission part, a lifting part and two support rods; the transmission part comprises a mounting seat and a pushing rack which is connected to the mounting seat in a sliding manner, a driving motor is fixedly connected to the mounting seat, a pushing gear and a rope disc are fixedly connected to an output shaft of the driving motor, a rope is connected to the rope disc, a meshed tooth is arranged in the middle of the pushing rack, and the pushing rack is meshed with the pushing gear through the meshed tooth; the two support rods are respectively and fixedly connected to the mounting seat and the pushing rack, and fixed pulleys are fixedly connected to the two support rods; the lifting part comprises a limiting column and a lifting plate which is rotatably connected to the bottom of the limiting column, a groove is formed in the limiting column, an air cylinder is rotatably connected in the groove, and a telescopic rod of the air cylinder is rotatably connected to the lifting plate; the rope is lapped on the two fixed pulleys and one end of the rope disc far away is fixedly connected with a limiting column, and the limiting column is vertically connected to one end of the pushing rack far away from the pushing gear in a sliding mode.

2. A handling device according to claim 1, characterized in that: one end of the pushing rack, which is far away from the pushing gear, is fixedly connected with a limiting block, one end of the limiting block, which is far away from the pushing rack, is provided with a vertical through groove, and the limiting column is vertically connected in the through groove in a sliding manner; limiting strips are arranged on the limiting blocks and the pushing rack, limiting grooves are formed in the mounting seat, and the pushing rack and the limiting blocks are connected in the limiting grooves in a sliding mode through the limiting strips.

3. A handling device according to claim 2, characterized in that: the diameter of the rope disc is larger than that of the pushing gear.

4. A handling device according to claim 3, characterized in that: and fixing parts are arranged on two sides of the lifting plate.

5. A handling device according to claim 4, characterised in that: the lifting plate is provided with a rotating shaft, and two ends of the rotating shaft are fixedly connected with wheels.

6. A handling device according to any of claims 1 to 5, characterised in that: and a traction gear is fixedly connected to an output shaft of the driving motor, the radius of the traction gear is larger than that of the pushing gear, a traction rack is meshed with the traction gear, and the traction rack is connected to the mounting seat in a sliding manner.

7. A handling device according to claim 6, characterised in that: the loading and unloading device further comprises a plc controller and a regulation and control motor used for controlling the air cylinder to rotate, the plc controller transmits data to the driving motor, the regulation and control motor and the air cylinder in a single-way mode through electric signals, the plc controller is used for controlling the rotation direction, the rotating speed and the on-off state of the driving motor and the regulation and control motor, and the plc controller is further used for controlling the expansion and the on-off state of an expansion link of the air cylinder.

8. Carrying device based on handling device according to claim 7, comprising a carrying device body, characterized in that: the carrying equipment body is detachably connected with the loading and unloading device.

9. A handling device based carrier apparatus as in claim 8 wherein: the carrying equipment is a passenger vehicle, a commercial vehicle, a special vehicle or a train with a carriage, the loading and unloading device is detachably connected to the side face or the back of the carriage, and a notch used for enabling the lifting plate to turn outwards from the carriage is formed in the carriage.

10. A handling device based carrier apparatus as in claim 9 wherein: the carrying equipment is a fire truck, an engineering emergency truck, a pickup truck, a mini truck, a light truck, an automatic unloading truck, a tractor or a special vehicle.

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